mptcp: fix soft lockup in mptcp_recvmsg()
CVE-2026-43029 is a medium severity vulnerability related to a soft lockup issue in the mptcp_recvmsg() function of the Microsoft Azure Linux kernel version 3.0. The vulnerability is categorized under CWE-667, which involves improper locking leading to potential deadlocks or soft lockups. No CVSS score is provided, and no known exploits are reported in the wild. There is no explicit patch or remediation information available in the provided data.
AI Analysis
Technical Summary
This vulnerability involves a soft lockup in the mptcp_recvmsg() function within the Microsoft Azure Linux kernel 3.0. The issue is classified as CWE-667, indicating a concurrency or locking problem that can cause the system to hang or become unresponsive. The advisory from Microsoft Security Response Center does not provide detailed technical information or patch status. No known exploits have been reported, and the vulnerability has a medium severity rating without a CVSS score.
Potential Impact
The vulnerability may cause a soft lockup in the affected kernel component, potentially leading to system unresponsiveness or degraded performance. There is no information about exploitation in the wild or further impact such as privilege escalation or data compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided in the available data.
mptcp: fix soft lockup in mptcp_recvmsg()
Description
CVE-2026-43029 is a medium severity vulnerability related to a soft lockup issue in the mptcp_recvmsg() function of the Microsoft Azure Linux kernel version 3.0. The vulnerability is categorized under CWE-667, which involves improper locking leading to potential deadlocks or soft lockups. No CVSS score is provided, and no known exploits are reported in the wild. There is no explicit patch or remediation information available in the provided data.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a soft lockup in the mptcp_recvmsg() function within the Microsoft Azure Linux kernel 3.0. The issue is classified as CWE-667, indicating a concurrency or locking problem that can cause the system to hang or become unresponsive. The advisory from Microsoft Security Response Center does not provide detailed technical information or patch status. No known exploits have been reported, and the vulnerability has a medium severity rating without a CVSS score.
Potential Impact
The vulnerability may cause a soft lockup in the affected kernel component, potentially leading to system unresponsiveness or degraded performance. There is no information about exploitation in the wild or further impact such as privilege escalation or data compromise.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided in the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-43029
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a16098fe29bf47b50654d82
Added to database: 05/26/2026, 20:58:55 UTC
Last enriched: 06/29/2026, 23:50:00 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 79
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